103221230081 has 2 divisors, whose sum is σ = 103221230082. Its totient is φ = 103221230080.

The previous prime is 103221230053. The next prime is 103221230141. The reversal of 103221230081 is 180032122301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101256967681 + 1964262400 = 318209^2 + 44320^2 .

It is a cyclic number.

It is not a de Polignac number, because 103221230081 - 2²² = 103217035777 is a prime.

It is a super-2 number, since 2×103221230081² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (103221230381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610615040 + 51610615041.

It is an arithmetic number, because the mean of its divisors is an integer number (51610615041).

Almost surely, 2^103221230081 is an apocalyptic number.

It is an amenable number.

103221230081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221230081 is an equidigital number, since it uses as much as digits as its factorization.

103221230081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 103221230081 its reverse (180032122301), we get a palindrome (283253352382).

The spelling of 103221230081 in words is "one hundred three billion, two hundred twenty-one million, two hundred thirty thousand, eighty-one".